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Westlake Corp. (WLK) Stock Fundamental Analysis & AI Rating 2026

WLK NYSE Industrial Organic Chemicals DE CIK: 0001262823
Updated This Month • Analysis: May 7, 2026 • SEC Data: 2026-03-31
Combined AI Rating
STRONG SELL
88% Confidence
N/A
STRONG SELL
88% Conf
Pending
Analysis scheduled

📊 WLK Key Takeaways

Revenue: $2.7B
Net Margin: -6.4%
Free Cash Flow: $-303.0M
Current Ratio: 2.17x
Debt/Equity: 0.65x
EPS: $-1.31
AI Rating: STRONG SELL with 88% confidence
Westlake Corp. (WLK) receives a STRONG SELL rating with 88% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $2.7B, net profit margin of -6.4%, and return on equity (ROE) of -2.0%, Westlake Corp. demonstrates mixed fundamentals in the Materials sector. Below is our complete WLK stock analysis for 2026.

Is Westlake Corp. (WLK) a Good Investment?

Claude

Westlake Corp exhibits severe financial distress with negative profitability across all metrics, unsustainable free cash flow burn of -$303M annually, and inability to cover interest payments from operations. The combination of declining revenue (-8% YoY), crisis-level gross margins (4.2%), and negative operating cash flow (-$94M) indicates structural challenges in the commodity chemical sector that require urgent operational turnaround.

Why Buy Westlake Corp. Stock? WLK Key Strengths

Claude
  • + Substantial asset base of $19.7B provides strategic options for restructuring or asset sales
  • + Moderate leverage at 0.65x Debt/Equity ratio preserves some financial flexibility
  • + Near-term liquidity adequate with Current Ratio of 2.17x despite operational losses

WLK Stock Risks: Westlake Corp. Investment Risks

Claude
  • ! Critical cash burn: -$303M free cash flow will deplete $2.3B cash reserves within 7-8 quarters at current rate
  • ! Interest coverage of -2.1x means operating income cannot service debt obligations, creating default risk
  • ! Thin gross margins of 4.2% with widening operating losses (-6.5% margin) indicate uncompetitive cost structure or severe industry pricing pressure
  • ! Revenue decline of 8% YoY combined with deteriorating net income (-2.5% YoY) signals accelerating operational deterioration

Key Metrics to Watch

Claude
  • * Operating cash flow trajectory - must turn positive to validate operational recovery
  • * Gross margin expansion - currently at unsustainable 4.2%, needs improvement to 8-10% minimum
  • * Free cash flow and cash runway - critical to assess solvency timeline without restructuring
  • * Interest coverage ratio - must reach positive territory to eliminate debt service distress

Westlake Corp. (WLK) Financial Metrics & Key Ratios

Revenue
$2.7B
Net Income
$-169.0M
EPS (Diluted)
$-1.31
Free Cash Flow
$-303.0M
Total Assets
$19.7B
Cash Position
$2.3B

💡 AI Analyst Insight

Strong liquidity with a 2.17x current ratio provides a solid financial cushion.

WLK Profit Margin, ROE & Profitability Analysis

Gross Margin 4.2%
Operating Margin -6.5%
Net Margin -6.4%
ROE -2.0%
ROA -0.9%
FCF Margin -11.4%

WLK vs Materials Sector: How Westlake Corp. Compares

How Westlake Corp. compares to Materials sector averages

Net Margin
WLK -6.4%
vs
Sector Avg 10.0%
WLK Sector
ROE
WLK -2.0%
vs
Sector Avg 14.0%
WLK Sector
Current Ratio
WLK 2.2x
vs
Sector Avg 1.6x
WLK Sector
Debt/Equity
WLK 0.7x
vs
Sector Avg 0.6x
WLK Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Westlake Corp. Stock Overvalued? WLK Valuation Analysis 2026

Based on fundamental analysis, Westlake Corp. shows some fundamental concerns relative to the Materials sector in 2026.

Return on Equity
-2.0%
Sector avg: 14%
Net Profit Margin
-6.4%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.65x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Westlake Corp. Balance Sheet: WLK Debt, Cash & Liquidity

Current Ratio
2.17x
Quick Ratio
1.56x
Debt/Equity
0.65x
Debt/Assets
54.1%
Interest Coverage
-2.12x
Long-term Debt
$5.6B

WLK Revenue & Earnings Growth: 5-Year Financial Trend

WLK 5-year financial data: Year 2021: Revenue $11.8B, Net Income $421.0M, EPS $3.25. Year 2022: Revenue $15.8B, Net Income $330.0M, EPS $2.56. Year 2023: Revenue $15.8B, Net Income $2.0B, EPS $15.58. Year 2024: Revenue $15.8B, Net Income $2.2B, EPS $17.34. Year 2025: Revenue $12.5B, Net Income $479.0M, EPS $3.70.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Westlake Corp.'s revenue has shown modest growth of 7% over the 5-year period. The most recent EPS of $3.70 reflects profitable operations.

WLK Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-11.4%
Free cash flow / Revenue

WLK Quarterly Earnings & Performance

Quarterly financial performance data for Westlake Corp. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $2.7B -$40.0M $-0.31
Q3 2025 $2.8B $108.0M $0.83
Q2 2025 $3.0B -$142.0M $-1.11
Q1 2025 $2.8B -$40.0M $-0.31
Q3 2024 $3.1B $108.0M $0.83
Q2 2024 $3.2B $297.0M $2.31
Q1 2024 $3.0B $174.0M $1.34
Q3 2023 $3.1B $285.0M $2.20

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Westlake Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$94.0M
Cash generated from operations
Capital Expenditures
$209.0M
Investment in assets
Dividends Paid
$68.0M
Returned to shareholders

WLK SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Westlake Corp. (CIK: 0001262823)

📋 Recent SEC Filings

Date Form Document Action
May 14, 2026 4 xslF345X06/ownership.xml View →
May 6, 2026 10-Q wlk-20260331.htm View →
May 5, 2026 8-K wlk-20260505.htm View →
May 1, 2026 8-K d145614d8k.htm View →
Apr 20, 2026 8-K d28569d8k.htm View →

Frequently Asked Questions about WLK

What is the AI rating for WLK?

Westlake Corp. (WLK) has an AI rating of STRONG SELL with 88% confidence, based on fundamental analysis of SEC EDGAR filings.

What are WLK's key strengths?

Claude: Substantial asset base of $19.7B provides strategic options for restructuring or asset sales. Moderate leverage at 0.65x Debt/Equity ratio preserves some financial flexibility.

What are the risks of investing in WLK?

Claude: Critical cash burn: -$303M free cash flow will deplete $2.3B cash reserves within 7-8 quarters at current rate. Interest coverage of -2.1x means operating income cannot service debt obligations, creating default risk.

What is WLK's revenue and growth?

Westlake Corp. reported revenue of $2.7B.

Does WLK pay dividends?

Westlake Corp. pays dividends, with $68.0M distributed to shareholders in the trailing twelve months.

Where can I find WLK SEC filings?

Official SEC filings for Westlake Corp. (CIK: 0001262823) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is WLK's EPS?

Westlake Corp. has a diluted EPS of $-1.31.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is WLK a good stock to buy right now?

Based on our AI fundamental analysis in May 2026, Westlake Corp. has a STRONG SELL rating with 88% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is WLK stock overvalued or undervalued?

Valuation metrics for WLK: ROE of -2.0% (sector avg: 14%), net margin of -6.4% (sector avg: 10%). Compare these metrics with sector averages to assess valuation.

Should I buy WLK stock in 2026?

Our dual AI analysis gives Westlake Corp. a combined STRONG SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is WLK's free cash flow?

Westlake Corp.'s operating cash flow is $-94.0M, with capital expenditures of $209.0M. FCF margin is -11.4%.

How does WLK compare to other Materials stocks?

Vs Materials sector averages: Net margin -6.4% (avg: 10%), ROE -2.0% (avg: 14%), current ratio 2.17 (avg: 1.6).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 7, 2026 | Data as of: 2026-03-31 | Powered by Claude AI